// 创建一位人类
var Human = function(param) {
  // 技能
  this.skill = param && param.skill || '保密';
  // 兴趣爱好
  this.hobby = param && param.hobby || '保密';
}
Human.prototype = {
  getSkill() {
    return this.skill;
  },
  getHobby() {
    return this.hobby;
  }
}

// 姓名类
var Named = function(name) {
  var that = this;
  // 构造器
  // 构造函数解析姓名的姓与名
  (function(name, that) {
    that.wholeName = name;
    if (name.indexOf(' ') > -1) {
      that.firstName = name.slice(0, name.indexOf(' '));
      that.secondName = name.slice(name.indexOf(' '));
    }
  }(name, that));
}

// 职位类
var Work = function(work) {
  var that = this;
  // 构造器
  // 构造函数中通过传入职位特征来设置相应职位以及描述
  (function(work, that) {
    switch(work) {
      case 'code': 
        that.work = '工程师';
        that.workDescript = '每天沉醉于编程';
        break;
      case 'UI':
      case 'UE':
        that.work = '设计师';
        that.workDescript = '设计更似一种艺术';
        break;
      case 'teach':
        that.work = '教师';
        that.workDescript = '分享也是一种快乐';
        break;
      default:
        that.work = work;
        that.workDescript = '对不起，我们还不清楚您选择职位的相关描述';
    }
  }(work, that));
}
// 更换期望的职位
Work.prototype.changeWork = function(work) {
  this.work = work;
}
// 添加对职位的描述
Work.prototype.changeDescript = function(setence) {
  this.workDescript = setence;
}

/**
 * 应聘者建造者
 * 参数 name：姓名（全名）
 * 参数 work：期望职位
 */
var Person = function(name, work) {
  // 创建应聘者缓存对象
  var _person = new Human();
  // 创建应聘者姓名解析对象
  _person.name = new Named(name);
  // 创建应聘者期望职位
  _person.work = new Work(work);
  // 将创建的应聘者对象返回
  return _person;
}


// 测试
var person = new Person('xiao ming', 'code');
console.log(person.skill);
console.log(person.name.firstName);
console.log(person.work.work);
console.log(person.work.workDescript);
person.work.changeDescript('更改一下职位描述');
console.log(person.work.workDescript);
